CHECK YOUR FIT – Nominal size: 16x25x1; This MERV 13 filter is comparable with MPR 1500-1900 & FPR 10. SUPERIOR FILTRATION EFFICIENCY – Aerostar filters are made with electrostatically charged synthetic material that draws and captures allergens including lint, dust mites, mold spores, pollen, pet dander, and dust. IMPROVE INDOOR AIR QUALITY – Protect your family and loved ones with clean indoor air quality at home. Aerostar filters are a simple to install and cost-effective step towards a healthier home environment, free of airborne allergens and particles that can trigger various allergy and asthma symptoms. HIGH PERFORMING – 100% synthetic electrostatic media for high efficiency with low air flow resistance. For best results, change your filters every 60 to 90 days during normal times of year but increase frequency to 30 days during peak summer and winter months when your unit is working the hardest. Show More Show Less
